//PaymentController
package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Resource
    private DiscoveryClient discoveryClient;

    @Value("${server.port}")
    private String serverPort;

    //只传给前端CommonResult，不需要前端了解其他的组件
    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*****插入结果：" + result);
        if (result > 0) {
            return new CommonResult(200, "插入数据成功,serverPort" + serverPort, result);
        } else {
            return new CommonResult(444, "插入数据失败,serverPort" + serverPort, null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);
        log.info("*****插入结果：" + payment);
        if (payment != null) {
            return new CommonResult(200, "查询成功,,serverPort" + serverPort);
        } else {
            return new CommonResult(444, "没有对应记录,查询ID：" + id + "serverPort" + serverPort, null);
        }
    }

    @GetMapping(value = "/payment/discover")
    public Object discovery() {


        List<String> services = discoveryClient.getServices();

        for (String element : services){
            log.info("****element:"+element);
        }

        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-ORDER-SERVER");
        for (ServiceInstance instance : instances ){
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }

        return this.discoveryClient;
    }


    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }




}
